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PARTS OF A FLOWER

INSTRUCTIONAL MATERIALS

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Flowers are not only beautiful but are important in making seeds. Flower is the main structure of a plant that involves in reproduction of the plant, which is important to spread their species. It has some basic parts. The female part is the pistil. The pistil is usually located in the center of a flower and is made up of three parts; the stigma, style and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called style. The style leads to the ovary that contains the female egg cells called ovules.

STIGMA - the sticky knob at the top of the pistil. Its job is to catch the pollen grains.

STYLE - it is attached to the long, tubelike structure that holds up the stigma.

OVARY - holds "ovules or eggs". Ovules produce female sex cells.

The male part is called the stamens and usually surround the pistil. The stamen is made up of 2 parts: the anther and filament. The anther produces pollen (male reproductive cells). The filament holds the anther up.

ANTHER - holds a yellow dust called pollen grains. Each pollen grain has a male sex cell. 

FILAMENT - holds up the anther.

PETALS are often very brightly colored. This is because their main function is to attract insects such as bees and butterflies into the flower. These insects pick up pollen from the flower and carry it to the next flower they visit. This is how most flowers get pollinated.

SEPALS are special types of leaves that form a ring around the petals. Their job is to protect the flower while it is still a bud. After the flower has opened, the sepals can still be seen behind the petals. Sepals are usually green or brown, although in some plants they are the same color as the petals. 

RECEPTACLE is the top part of the flower stalk, where the parts of the flower are attached. It is often rounded in shape. All the parts of the flower are attached to the receptacle.

PEDICEL is the stalk supporting a single flower.

THERE ARE TWO TYPES OF REPRODUCTION IN PLANTS

1. Asexual reproduction - is the formation of new individuals from the cell(s) of a single parent.

-All plant organs have been used for asexual reproduction, but stem is the most common.

2. Sexual reproduction - takes place in flowers.